#B12733#B12733

#B12733 is a mid, vivid red. Relative luminance 0.110; OKLCH L 50.1% C 0.173 H 22.0°. Best body text is #FFFFFF at 6.55:1 contrast (WCAG AA passes).

Color values

HEX	#B12733
RGB	rgb(177, 39, 51)
HSL	hsl(355, 64%, 42%)
HSV	hsv(355, 78%, 69%)
CMYK	cmyk(0%, 78%, 71.2%, 30.6%)
CIE-LAB	lab(39.65, 54.81, 28.17)
CIE-LCH	lch(39.65, 61.63, 27.20°)
OKLab	oklab(50.1% 0.1607 0.0649)
OKLCH	oklch(50.1% 0.173 22)
XYZ	xyz(19.4567, 11.0402, 4.2378)
Luminance	0.1104 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B12733 #27B1A5

analogous

#B12778 #B12733 #B16027

triadic

#B12733 #33B127 #2733B1

tetradic

#B12733 #78B127 #27B1A5 #6027B1

square

#B12733 #78B127 #27B1A5 #6027B1

split-complementary

#B12733 #27B160 #2778B1

monochromatic

#4D1116 #7F1C25 #B12733 #D5404D #E0727C

Accessibility & contrast

On white

6.55

#B12733 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#B12733 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B12733

6.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B12733	#FFFFFF	#000000	##FFFFFF
##B12733	1.00	6.55	3.21	6.55
#FFFFFF	6.55	1.00	21.00	1.00
#000000	3.21	21.00	1.00	21.00
##FFFFFF	6.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#514B32

Deuteranopia (green-blind)

#73682E

Tritanopia (blue-blind)

#C3002D

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #b12733;
/* rgb */ color: rgb(177, 39, 51);
/* oklch */ color: oklch(50.1% 0.173 22.0);

Tailwind

colors: {
  custom: {
    50: '#d16e6a',
    500: '#b12733',
    950: '#000000',
  },
}

SCSS

$custom: #b12733;
$custom-light: #d16e6a;
$custom-dark: #000000;

JSON

{
  "hex": "#b12733",
  "rgb": {
    "r": 177,
    "g": 39,
    "b": 51
  },
  "hsl": {
    "h": 354.783,
    "s": 63.889,
    "l": 42.353
  },
  "oklch": {
    "l": 0.50102,
    "c": 0.17332,
    "h": 22
  },
  "luminance": 0.11037
}

Semantic roles & 50–950 ramp

primary

#B12733

secondary

#6DC7BF

accent

#E7D841

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#160806

muted

#847B7A

Preview Lab

Preview with #B12733

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →